Home / 157,437.16-235,112.21-138,360.04

Finding the Fourth Proportional to 157,437.16, 235,112.21 and 138,360.04

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Solution

The fourth proportional to 157,437.16, 235,112.21 and 138,360.04 is: 206,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,437.16 : 235,112.21 = 138,360.04 : x
  2. Step 2: Convert to fraction form
    157,437.16/235,112.21 = 138,360.04/x
  3. Step 3: Cross multiply
    157,437.16x = 235,112.21 × 138,360.04
  4. Step 4: Simplify right side
    157,437.16x = 32,530,134,780.09
  5. Step 5: Solve for x
    x = 32,530,134,780.09/157,437.16
  6. Step 6: Final answer
    x = 206,622.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.