Home / 158,140.40-237,210.84-39,811.76

Finding the Fourth Proportional to 158,140.40, 237,210.84 and 39,811.76

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Solution

The fourth proportional to 158,140.40, 237,210.84 and 39,811.76 is: 59,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,140.40 : 237,210.84 = 39,811.76 : x
  2. Step 2: Convert to fraction form
    158,140.40/237,210.84 = 39,811.76/x
  3. Step 3: Cross multiply
    158,140.40x = 237,210.84 × 39,811.76
  4. Step 4: Simplify right side
    158,140.40x = 9,443,781,031.48
  5. Step 5: Solve for x
    x = 9,443,781,031.48/158,140.40
  6. Step 6: Final answer
    x = 59,717.70

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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.