Home / 242,490.04-334,646.64-135,060.10

Finding the Fourth Proportional to 242,490.04, 334,646.64 and 135,060.10

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Solution

The fourth proportional to 242,490.04, 334,646.64 and 135,060.10 is: 186,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,490.04 : 334,646.64 = 135,060.10 : x
  2. Step 2: Convert to fraction form
    242,490.04/334,646.64 = 135,060.10/x
  3. Step 3: Cross multiply
    242,490.04x = 334,646.64 × 135,060.10
  4. Step 4: Simplify right side
    242,490.04x = 45,197,408,663.06
  5. Step 5: Solve for x
    x = 45,197,408,663.06/242,490.04
  6. Step 6: Final answer
    x = 186,388.72

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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.