Home / 161,715.20-242,572.80-144,802.40

Finding the Fourth Proportional to 161,715.20, 242,572.80 and 144,802.40

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Solution

The fourth proportional to 161,715.20, 242,572.80 and 144,802.40 is: 217,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715.20 : 242,572.80 = 144,802.40 : x
  2. Step 2: Convert to fraction form
    161,715.20/242,572.80 = 144,802.40/x
  3. Step 3: Cross multiply
    161,715.20x = 242,572.80 × 144,802.40
  4. Step 4: Simplify right side
    161,715.20x = 35,125,123,614.72
  5. Step 5: Solve for x
    x = 35,125,123,614.72/161,715.20
  6. Step 6: Final answer
    x = 217,203.60

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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.