Home / 126,030.24-173,905.92-72,308.16

Finding the Fourth Proportional to 126,030.24, 173,905.92 and 72,308.16

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Solution

The fourth proportional to 126,030.24, 173,905.92 and 72,308.16 is: 99,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.24 : 173,905.92 = 72,308.16 : x
  2. Step 2: Convert to fraction form
    126,030.24/173,905.92 = 72,308.16/x
  3. Step 3: Cross multiply
    126,030.24x = 173,905.92 × 72,308.16
  4. Step 4: Simplify right side
    126,030.24x = 12,574,817,088.31
  5. Step 5: Solve for x
    x = 12,574,817,088.31/126,030.24
  6. Step 6: Final answer
    x = 99,776.19

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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.