Home / 112,842.14-155,718.33-65,094.26

Finding the Fourth Proportional to 112,842.14, 155,718.33 and 65,094.26

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Solution

The fourth proportional to 112,842.14, 155,718.33 and 65,094.26 is: 89,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,842.14 : 155,718.33 = 65,094.26 : x
  2. Step 2: Convert to fraction form
    112,842.14/155,718.33 = 65,094.26/x
  3. Step 3: Cross multiply
    112,842.14x = 155,718.33 × 65,094.26
  4. Step 4: Simplify right side
    112,842.14x = 10,136,369,459.79
  5. Step 5: Solve for x
    x = 10,136,369,459.79/112,842.14
  6. Step 6: Final answer
    x = 89,827.87

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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.