Home / 136,368.95-204,585.62-42,874.70

Finding the Fourth Proportional to 136,368.95, 204,585.62 and 42,874.70

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Solution

The fourth proportional to 136,368.95, 204,585.62 and 42,874.70 is: 64,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.95 : 204,585.62 = 42,874.70 : x
  2. Step 2: Convert to fraction form
    136,368.95/204,585.62 = 42,874.70/x
  3. Step 3: Cross multiply
    136,368.95x = 204,585.62 × 42,874.70
  4. Step 4: Simplify right side
    136,368.95x = 8,771,547,081.81
  5. Step 5: Solve for x
    x = 8,771,547,081.81/136,368.95
  6. Step 6: Final answer
    x = 64,322.17

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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.