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Finding the Fourth Proportional to 145,852.80, 218,779.20 and 110,423.40

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Solution

The fourth proportional to 145,852.80, 218,779.20 and 110,423.40 is: 165,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,852.80 : 218,779.20 = 110,423.40 : x
  2. Step 2: Convert to fraction form
    145,852.80/218,779.20 = 110,423.40/x
  3. Step 3: Cross multiply
    145,852.80x = 218,779.20 × 110,423.40
  4. Step 4: Simplify right side
    145,852.80x = 24,158,343,113.28
  5. Step 5: Solve for x
    x = 24,158,343,113.28/145,852.80
  6. Step 6: Final answer
    x = 165,635.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.