Home / 157,500.15-215,611.32-156,374.52

Finding the Fourth Proportional to 157,500.15, 215,611.32 and 156,374.52

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Solution

The fourth proportional to 157,500.15, 215,611.32 and 156,374.52 is: 214,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,500.15 : 215,611.32 = 156,374.52 : x
  2. Step 2: Convert to fraction form
    157,500.15/215,611.32 = 156,374.52/x
  3. Step 3: Cross multiply
    157,500.15x = 215,611.32 × 156,374.52
  4. Step 4: Simplify right side
    157,500.15x = 33,716,116,671.57
  5. Step 5: Solve for x
    x = 33,716,116,671.57/157,500.15
  6. Step 6: Final answer
    x = 214,070.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.