Home / 130,071.38-179,498.50-70,455.38

Finding the Fourth Proportional to 130,071.38, 179,498.50 and 70,455.38

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Solution

The fourth proportional to 130,071.38, 179,498.50 and 70,455.38 is: 97,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,071.38 : 179,498.50 = 70,455.38 : x
  2. Step 2: Convert to fraction form
    130,071.38/179,498.50 = 70,455.38/x
  3. Step 3: Cross multiply
    130,071.38x = 179,498.50 × 70,455.38
  4. Step 4: Simplify right side
    130,071.38x = 12,646,633,953.30
  5. Step 5: Solve for x
    x = 12,646,633,953.30/130,071.38
  6. Step 6: Final answer
    x = 97,228.42

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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.