Home / 147,916.22-222,071.15-77,844.74

Finding the Fourth Proportional to 147,916.22, 222,071.15 and 77,844.74

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Solution

The fourth proportional to 147,916.22, 222,071.15 and 77,844.74 is: 116,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,916.22 : 222,071.15 = 77,844.74 : x
  2. Step 2: Convert to fraction form
    147,916.22/222,071.15 = 77,844.74/x
  3. Step 3: Cross multiply
    147,916.22x = 222,071.15 × 77,844.74
  4. Step 4: Simplify right side
    147,916.22x = 17,287,070,017.51
  5. Step 5: Solve for x
    x = 17,287,070,017.51/147,916.22
  6. Step 6: Final answer
    x = 116,870.69

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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.