Home / 144,374.28-216,073.53-103,089.12

Finding the Fourth Proportional to 144,374.28, 216,073.53 and 103,089.12

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Solution

The fourth proportional to 144,374.28, 216,073.53 and 103,089.12 is: 154,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,374.28 : 216,073.53 = 103,089.12 : x
  2. Step 2: Convert to fraction form
    144,374.28/216,073.53 = 103,089.12/x
  3. Step 3: Cross multiply
    144,374.28x = 216,073.53 × 103,089.12
  4. Step 4: Simplify right side
    144,374.28x = 22,274,830,062.99
  5. Step 5: Solve for x
    x = 22,274,830,062.99/144,374.28
  6. Step 6: Final answer
    x = 154,285.31

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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.