Home / 163,443.60-245,160.52-45,122.16

Finding the Fourth Proportional to 163,443.60, 245,160.52 and 45,122.16

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Solution

The fourth proportional to 163,443.60, 245,160.52 and 45,122.16 is: 67,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,443.60 : 245,160.52 = 45,122.16 : x
  2. Step 2: Convert to fraction form
    163,443.60/245,160.52 = 45,122.16/x
  3. Step 3: Cross multiply
    163,443.60x = 245,160.52 × 45,122.16
  4. Step 4: Simplify right side
    163,443.60x = 11,062,172,209.12
  5. Step 5: Solve for x
    x = 11,062,172,209.12/163,443.60
  6. Step 6: Final answer
    x = 67,681.89

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1.5x scale

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.