Home / 152,318.89-210,201.72-84,337.10

Finding the Fourth Proportional to 152,318.89, 210,201.72 and 84,337.10

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Solution

The fourth proportional to 152,318.89, 210,201.72 and 84,337.10 is: 116,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.89 : 210,201.72 = 84,337.10 : x
  2. Step 2: Convert to fraction form
    152,318.89/210,201.72 = 84,337.10/x
  3. Step 3: Cross multiply
    152,318.89x = 210,201.72 × 84,337.10
  4. Step 4: Simplify right side
    152,318.89x = 17,727,803,479.81
  5. Step 5: Solve for x
    x = 17,727,803,479.81/152,318.89
  6. Step 6: Final answer
    x = 116,386.11

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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.