Home / 147,948.60-222,062.10-77,878.20

Finding the Fourth Proportional to 147,948.60, 222,062.10 and 77,878.20

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Solution

The fourth proportional to 147,948.60, 222,062.10 and 77,878.20 is: 116,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,948.60 : 222,062.10 = 77,878.20 : x
  2. Step 2: Convert to fraction form
    147,948.60/222,062.10 = 77,878.20/x
  3. Step 3: Cross multiply
    147,948.60x = 222,062.10 × 77,878.20
  4. Step 4: Simplify right side
    147,948.60x = 17,293,796,636.22
  5. Step 5: Solve for x
    x = 17,293,796,636.22/147,948.60
  6. Step 6: Final answer
    x = 116,890.57

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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.