Home / 157,018.18-235,438.05-107,158.68

Finding the Fourth Proportional to 157,018.18, 235,438.05 and 107,158.68

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Solution

The fourth proportional to 157,018.18, 235,438.05 and 107,158.68 is: 160,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,018.18 : 235,438.05 = 107,158.68 : x
  2. Step 2: Convert to fraction form
    157,018.18/235,438.05 = 107,158.68/x
  3. Step 3: Cross multiply
    157,018.18x = 235,438.05 × 107,158.68
  4. Step 4: Simplify right side
    157,018.18x = 25,229,230,659.77
  5. Step 5: Solve for x
    x = 25,229,230,659.77/157,018.18
  6. Step 6: Final answer
    x = 160,677.13

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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.