Home / 162,030.30-243,045.45-147,515.10

Finding the Fourth Proportional to 162,030.30, 243,045.45 and 147,515.10

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Solution

The fourth proportional to 162,030.30, 243,045.45 and 147,515.10 is: 221,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,030.30 : 243,045.45 = 147,515.10 : x
  2. Step 2: Convert to fraction form
    162,030.30/243,045.45 = 147,515.10/x
  3. Step 3: Cross multiply
    162,030.30x = 243,045.45 × 147,515.10
  4. Step 4: Simplify right side
    162,030.30x = 35,852,873,861.30
  5. Step 5: Solve for x
    x = 35,852,873,861.30/162,030.30
  6. Step 6: Final answer
    x = 221,272.65

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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.