Home / 107,557.29-148,405.32-64,517.13

Finding the Fourth Proportional to 107,557.29, 148,405.32 and 64,517.13

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Solution

The fourth proportional to 107,557.29, 148,405.32 and 64,517.13 is: 89,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,557.29 : 148,405.32 = 64,517.13 : x
  2. Step 2: Convert to fraction form
    107,557.29/148,405.32 = 64,517.13/x
  3. Step 3: Cross multiply
    107,557.29x = 148,405.32 × 64,517.13
  4. Step 4: Simplify right side
    107,557.29x = 9,574,685,323.13
  5. Step 5: Solve for x
    x = 9,574,685,323.13/107,557.29
  6. Step 6: Final answer
    x = 89,019.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.