Home / 156,246.64-215,620.38-88,263.74

Finding the Fourth Proportional to 156,246.64, 215,620.38 and 88,263.74

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Solution

The fourth proportional to 156,246.64, 215,620.38 and 88,263.74 is: 121,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,246.64 : 215,620.38 = 88,263.74 : x
  2. Step 2: Convert to fraction form
    156,246.64/215,620.38 = 88,263.74/x
  3. Step 3: Cross multiply
    156,246.64x = 215,620.38 × 88,263.74
  4. Step 4: Simplify right side
    156,246.64x = 19,031,461,698.07
  5. Step 5: Solve for x
    x = 19,031,461,698.07/156,246.64
  6. Step 6: Final answer
    x = 121,803.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.