Home / 156,750.50-235,125.70-38,420.84

Finding the Fourth Proportional to 156,750.50, 235,125.70 and 38,420.84

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Solution

The fourth proportional to 156,750.50, 235,125.70 and 38,420.84 is: 57,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,750.50 : 235,125.70 = 38,420.84 : x
  2. Step 2: Convert to fraction form
    156,750.50/235,125.70 = 38,420.84/x
  3. Step 3: Cross multiply
    156,750.50x = 235,125.70 × 38,420.84
  4. Step 4: Simplify right side
    156,750.50x = 9,033,726,899.59
  5. Step 5: Solve for x
    x = 9,033,726,899.59/156,750.50
  6. Step 6: Final answer
    x = 57,631.25

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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.