Home / 145,852.02-218,690.46-56,999.61

Finding the Fourth Proportional to 145,852.02, 218,690.46 and 56,999.61

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Solution

The fourth proportional to 145,852.02, 218,690.46 and 56,999.61 is: 85,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,852.02 : 218,690.46 = 56,999.61 : x
  2. Step 2: Convert to fraction form
    145,852.02/218,690.46 = 56,999.61/x
  3. Step 3: Cross multiply
    145,852.02x = 218,690.46 × 56,999.61
  4. Step 4: Simplify right side
    145,852.02x = 12,465,270,930.72
  5. Step 5: Solve for x
    x = 12,465,270,930.72/145,852.02
  6. Step 6: Final answer
    x = 85,465.19

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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.