Home / 153,427.20-230,140.80-48,278.40

Finding the Fourth Proportional to 153,427.20, 230,140.80 and 48,278.40

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Solution

The fourth proportional to 153,427.20, 230,140.80 and 48,278.40 is: 72,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,427.20 : 230,140.80 = 48,278.40 : x
  2. Step 2: Convert to fraction form
    153,427.20/230,140.80 = 48,278.40/x
  3. Step 3: Cross multiply
    153,427.20x = 230,140.80 × 48,278.40
  4. Step 4: Simplify right side
    153,427.20x = 11,110,829,598.72
  5. Step 5: Solve for x
    x = 11,110,829,598.72/153,427.20
  6. Step 6: Final answer
    x = 72,417.60

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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.