Home / 156,927.90-235,391.85-90,572.70

Finding the Fourth Proportional to 156,927.90, 235,391.85 and 90,572.70

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Solution

The fourth proportional to 156,927.90, 235,391.85 and 90,572.70 is: 135,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.90 : 235,391.85 = 90,572.70 : x
  2. Step 2: Convert to fraction form
    156,927.90/235,391.85 = 90,572.70/x
  3. Step 3: Cross multiply
    156,927.90x = 235,391.85 × 90,572.70
  4. Step 4: Simplify right side
    156,927.90x = 21,320,075,412.50
  5. Step 5: Solve for x
    x = 21,320,075,412.50/156,927.90
  6. Step 6: Final answer
    x = 135,859.05

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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.