Home / 126,136.88-174,065.64-69,547.28

Finding the Fourth Proportional to 126,136.88, 174,065.64 and 69,547.28

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Solution

The fourth proportional to 126,136.88, 174,065.64 and 69,547.28 is: 95,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.88 : 174,065.64 = 69,547.28 : x
  2. Step 2: Convert to fraction form
    126,136.88/174,065.64 = 69,547.28/x
  3. Step 3: Cross multiply
    126,136.88x = 174,065.64 × 69,547.28
  4. Step 4: Simplify right side
    126,136.88x = 12,105,791,803.46
  5. Step 5: Solve for x
    x = 12,105,791,803.46/126,136.88
  6. Step 6: Final answer
    x = 95,973.45

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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.