Home / 156,748.90-235,123.35-51,554.20

Finding the Fourth Proportional to 156,748.90, 235,123.35 and 51,554.20

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Solution

The fourth proportional to 156,748.90, 235,123.35 and 51,554.20 is: 77,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.90 : 235,123.35 = 51,554.20 : x
  2. Step 2: Convert to fraction form
    156,748.90/235,123.35 = 51,554.20/x
  3. Step 3: Cross multiply
    156,748.90x = 235,123.35 × 51,554.20
  4. Step 4: Simplify right side
    156,748.90x = 12,121,596,210.57
  5. Step 5: Solve for x
    x = 12,121,596,210.57/156,748.90
  6. Step 6: Final answer
    x = 77,331.30

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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.