Home / 191,835.42-287,836.02-102,985.17

Finding the Fourth Proportional to 191,835.42, 287,836.02 and 102,985.17

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Solution

The fourth proportional to 191,835.42, 287,836.02 and 102,985.17 is: 154,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,835.42 : 287,836.02 = 102,985.17 : x
  2. Step 2: Convert to fraction form
    191,835.42/287,836.02 = 102,985.17/x
  3. Step 3: Cross multiply
    191,835.42x = 287,836.02 × 102,985.17
  4. Step 4: Simplify right side
    191,835.42x = 29,642,841,451.82
  5. Step 5: Solve for x
    x = 29,642,841,451.82/191,835.42
  6. Step 6: Final answer
    x = 154,522.25

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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.