Home / 143,258.89-214,888.10-38,077.86

Finding the Fourth Proportional to 143,258.89, 214,888.10 and 38,077.86

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Solution

The fourth proportional to 143,258.89, 214,888.10 and 38,077.86 is: 57,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.89 : 214,888.10 = 38,077.86 : x
  2. Step 2: Convert to fraction form
    143,258.89/214,888.10 = 38,077.86/x
  3. Step 3: Cross multiply
    143,258.89x = 214,888.10 × 38,077.86
  4. Step 4: Simplify right side
    143,258.89x = 8,182,478,987.47
  5. Step 5: Solve for x
    x = 8,182,478,987.47/143,258.89
  6. Step 6: Final answer
    x = 57,116.73

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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.