Home / 103,527.47-155,294.66-28,641.35

Finding the Fourth Proportional to 103,527.47, 155,294.66 and 28,641.35

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Solution

The fourth proportional to 103,527.47, 155,294.66 and 28,641.35 is: 42,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,527.47 : 155,294.66 = 28,641.35 : x
  2. Step 2: Convert to fraction form
    103,527.47/155,294.66 = 28,641.35/x
  3. Step 3: Cross multiply
    103,527.47x = 155,294.66 × 28,641.35
  4. Step 4: Simplify right side
    103,527.47x = 4,447,848,095.11
  5. Step 5: Solve for x
    x = 4,447,848,095.11/103,527.47
  6. Step 6: Final answer
    x = 42,962.98

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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.