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Finding the Fourth Proportional to 145,484.40, 217,967.40 and 124,748.40

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Solution

The fourth proportional to 145,484.40, 217,967.40 and 124,748.40 is: 186,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,484.40 : 217,967.40 = 124,748.40 : x
  2. Step 2: Convert to fraction form
    145,484.40/217,967.40 = 124,748.40/x
  3. Step 3: Cross multiply
    145,484.40x = 217,967.40 × 124,748.40
  4. Step 4: Simplify right side
    145,484.40x = 27,191,084,402.16
  5. Step 5: Solve for x
    x = 27,191,084,402.16/145,484.40
  6. Step 6: Final answer
    x = 186,900.34

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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.