Home / 145,113.60-217,670.40-144,076.80

Finding the Fourth Proportional to 145,113.60, 217,670.40 and 144,076.80

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Solution

The fourth proportional to 145,113.60, 217,670.40 and 144,076.80 is: 216,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,113.60 : 217,670.40 = 144,076.80 : x
  2. Step 2: Convert to fraction form
    145,113.60/217,670.40 = 144,076.80/x
  3. Step 3: Cross multiply
    145,113.60x = 217,670.40 × 144,076.80
  4. Step 4: Simplify right side
    145,113.60x = 31,361,254,686.72
  5. Step 5: Solve for x
    x = 31,361,254,686.72/145,113.60
  6. Step 6: Final answer
    x = 216,115.20

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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.