Home / 145,794.48-218,197.86-89,670.18

Finding the Fourth Proportional to 145,794.48, 218,197.86 and 89,670.18

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Solution

The fourth proportional to 145,794.48, 218,197.86 and 89,670.18 is: 134,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,794.48 : 218,197.86 = 89,670.18 : x
  2. Step 2: Convert to fraction form
    145,794.48/218,197.86 = 89,670.18/x
  3. Step 3: Cross multiply
    145,794.48x = 218,197.86 × 89,670.18
  4. Step 4: Simplify right side
    145,794.48x = 19,565,841,381.81
  5. Step 5: Solve for x
    x = 19,565,841,381.81/145,794.48
  6. Step 6: Final answer
    x = 134,201.52

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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.