Home / 155,285.30-232,726.35-72,002.10

Finding the Fourth Proportional to 155,285.30, 232,726.35 and 72,002.10

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Solution

The fourth proportional to 155,285.30, 232,726.35 and 72,002.10 is: 107,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,285.30 : 232,726.35 = 72,002.10 : x
  2. Step 2: Convert to fraction form
    155,285.30/232,726.35 = 72,002.10/x
  3. Step 3: Cross multiply
    155,285.30x = 232,726.35 × 72,002.10
  4. Step 4: Simplify right side
    155,285.30x = 16,756,785,925.34
  5. Step 5: Solve for x
    x = 16,756,785,925.34/155,285.30
  6. Step 6: Final answer
    x = 107,909.67

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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.