Home / 149,130.23-223,702.25-42,521.40

Finding the Fourth Proportional to 149,130.23, 223,702.25 and 42,521.40

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Solution

The fourth proportional to 149,130.23, 223,702.25 and 42,521.40 is: 63,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,130.23 : 223,702.25 = 42,521.40 : x
  2. Step 2: Convert to fraction form
    149,130.23/223,702.25 = 42,521.40/x
  3. Step 3: Cross multiply
    149,130.23x = 223,702.25 × 42,521.40
  4. Step 4: Simplify right side
    149,130.23x = 9,512,132,640.54
  5. Step 5: Solve for x
    x = 9,512,132,640.54/149,130.23
  6. Step 6: Final answer
    x = 63,784.07

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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.