Home / 112,099.19-154,704.56-68,510.48

Finding the Fourth Proportional to 112,099.19, 154,704.56 and 68,510.48

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Solution

The fourth proportional to 112,099.19, 154,704.56 and 68,510.48 is: 94,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.19 : 154,704.56 = 68,510.48 : x
  2. Step 2: Convert to fraction form
    112,099.19/154,704.56 = 68,510.48/x
  3. Step 3: Cross multiply
    112,099.19x = 154,704.56 × 68,510.48
  4. Step 4: Simplify right side
    112,099.19x = 10,598,882,547.71
  5. Step 5: Solve for x
    x = 10,598,882,547.71/112,099.19
  6. Step 6: Final answer
    x = 94,549.15

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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.