Home / 191,217.64-286,909.02-72,924.52

Finding the Fourth Proportional to 191,217.64, 286,909.02 and 72,924.52

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Solution

The fourth proportional to 191,217.64, 286,909.02 and 72,924.52 is: 109,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,217.64 : 286,909.02 = 72,924.52 : x
  2. Step 2: Convert to fraction form
    191,217.64/286,909.02 = 72,924.52/x
  3. Step 3: Cross multiply
    191,217.64x = 286,909.02 × 72,924.52
  4. Step 4: Simplify right side
    191,217.64x = 20,922,702,567.17
  5. Step 5: Solve for x
    x = 20,922,702,567.17/191,217.64
  6. Step 6: Final answer
    x = 109,418.27

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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.