Home / 158,156.40-237,113.10-79,327.20

Finding the Fourth Proportional to 158,156.40, 237,113.10 and 79,327.20

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Solution

The fourth proportional to 158,156.40, 237,113.10 and 79,327.20 is: 118,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,156.40 : 237,113.10 = 79,327.20 : x
  2. Step 2: Convert to fraction form
    158,156.40/237,113.10 = 79,327.20/x
  3. Step 3: Cross multiply
    158,156.40x = 237,113.10 × 79,327.20
  4. Step 4: Simplify right side
    158,156.40x = 18,809,518,306.32
  5. Step 5: Solve for x
    x = 18,809,518,306.32/158,156.40
  6. Step 6: Final answer
    x = 118,929.86

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1.5x scale

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.