Home / 102,602.04-153,956.34-77,634.66

Finding the Fourth Proportional to 102,602.04, 153,956.34 and 77,634.66

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Solution

The fourth proportional to 102,602.04, 153,956.34 and 77,634.66 is: 116,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,602.04 : 153,956.34 = 77,634.66 : x
  2. Step 2: Convert to fraction form
    102,602.04/153,956.34 = 77,634.66/x
  3. Step 3: Cross multiply
    102,602.04x = 153,956.34 × 77,634.66
  4. Step 4: Simplify right side
    102,602.04x = 11,952,348,110.74
  5. Step 5: Solve for x
    x = 11,952,348,110.74/102,602.04
  6. Step 6: Final answer
    x = 116,492.30

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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.