Home / 126,715.32-174,875.34-70,126.68

Finding the Fourth Proportional to 126,715.32, 174,875.34 and 70,126.68

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Solution

The fourth proportional to 126,715.32, 174,875.34 and 70,126.68 is: 96,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,715.32 : 174,875.34 = 70,126.68 : x
  2. Step 2: Convert to fraction form
    126,715.32/174,875.34 = 70,126.68/x
  3. Step 3: Cross multiply
    126,715.32x = 174,875.34 × 70,126.68
  4. Step 4: Simplify right side
    126,715.32x = 12,263,427,008.07
  5. Step 5: Solve for x
    x = 12,263,427,008.07/126,715.32
  6. Step 6: Final answer
    x = 96,779.36

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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.