Home / 145,019.60-200,082.19-84,547.46

Finding the Fourth Proportional to 145,019.60, 200,082.19 and 84,547.46

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Solution

The fourth proportional to 145,019.60, 200,082.19 and 84,547.46 is: 116,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,019.60 : 200,082.19 = 84,547.46 : x
  2. Step 2: Convert to fraction form
    145,019.60/200,082.19 = 84,547.46/x
  3. Step 3: Cross multiply
    145,019.60x = 200,082.19 × 84,547.46
  4. Step 4: Simplify right side
    145,019.60x = 16,916,440,061.01
  5. Step 5: Solve for x
    x = 16,916,440,061.01/145,019.60
  6. Step 6: Final answer
    x = 116,649.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.