Home / 191,428.85-287,184.30-58,319.84

Finding the Fourth Proportional to 191,428.85, 287,184.30 and 58,319.84

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Solution

The fourth proportional to 191,428.85, 287,184.30 and 58,319.84 is: 87,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,428.85 : 287,184.30 = 58,319.84 : x
  2. Step 2: Convert to fraction form
    191,428.85/287,184.30 = 58,319.84/x
  3. Step 3: Cross multiply
    191,428.85x = 287,184.30 × 58,319.84
  4. Step 4: Simplify right side
    191,428.85x = 16,748,540,990.59
  5. Step 5: Solve for x
    x = 16,748,540,990.59/191,428.85
  6. Step 6: Final answer
    x = 87,492.25

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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.