Home / 153,429.20-230,143.80-48,280.40

Finding the Fourth Proportional to 153,429.20, 230,143.80 and 48,280.40

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Solution

The fourth proportional to 153,429.20, 230,143.80 and 48,280.40 is: 72,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,429.20 : 230,143.80 = 48,280.40 : x
  2. Step 2: Convert to fraction form
    153,429.20/230,143.80 = 48,280.40/x
  3. Step 3: Cross multiply
    153,429.20x = 230,143.80 × 48,280.40
  4. Step 4: Simplify right side
    153,429.20x = 11,111,434,721.52
  5. Step 5: Solve for x
    x = 11,111,434,721.52/153,429.20
  6. Step 6: Final answer
    x = 72,420.60

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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.