Home / 142,248.02-213,403.80-53,502.29

Finding the Fourth Proportional to 142,248.02, 213,403.80 and 53,502.29

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Solution

The fourth proportional to 142,248.02, 213,403.80 and 53,502.29 is: 80,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,248.02 : 213,403.80 = 53,502.29 : x
  2. Step 2: Convert to fraction form
    142,248.02/213,403.80 = 53,502.29/x
  3. Step 3: Cross multiply
    142,248.02x = 213,403.80 × 53,502.29
  4. Step 4: Simplify right side
    142,248.02x = 11,417,591,994.70
  5. Step 5: Solve for x
    x = 11,417,591,994.70/142,248.02
  6. Step 6: Final answer
    x = 80,265.38

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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.