Home / 134,088.72-185,041.92-72,834.52

Finding the Fourth Proportional to 134,088.72, 185,041.92 and 72,834.52

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Solution

The fourth proportional to 134,088.72, 185,041.92 and 72,834.52 is: 100,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,088.72 : 185,041.92 = 72,834.52 : x
  2. Step 2: Convert to fraction form
    134,088.72/185,041.92 = 72,834.52/x
  3. Step 3: Cross multiply
    134,088.72x = 185,041.92 × 72,834.52
  4. Step 4: Simplify right side
    134,088.72x = 13,477,439,423.08
  5. Step 5: Solve for x
    x = 13,477,439,423.08/134,088.72
  6. Step 6: Final answer
    x = 100,511.36

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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.