Home / 130,041.38-179,457.30-70,425.38

Finding the Fourth Proportional to 130,041.38, 179,457.30 and 70,425.38

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Solution

The fourth proportional to 130,041.38, 179,457.30 and 70,425.38 is: 97,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.38 : 179,457.30 = 70,425.38 : x
  2. Step 2: Convert to fraction form
    130,041.38/179,457.30 = 70,425.38/x
  3. Step 3: Cross multiply
    130,041.38x = 179,457.30 × 70,425.38
  4. Step 4: Simplify right side
    130,041.38x = 12,638,348,546.27
  5. Step 5: Solve for x
    x = 12,638,348,546.27/130,041.38
  6. Step 6: Final answer
    x = 97,187.13

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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.