Home / 130,012.92-179,417.79-70,396.92

Finding the Fourth Proportional to 130,012.92, 179,417.79 and 70,396.92

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Solution

The fourth proportional to 130,012.92, 179,417.79 and 70,396.92 is: 97,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,012.92 : 179,417.79 = 70,396.92 : x
  2. Step 2: Convert to fraction form
    130,012.92/179,417.79 = 70,396.92/x
  3. Step 3: Cross multiply
    130,012.92x = 179,417.79 × 70,396.92
  4. Step 4: Simplify right side
    130,012.92x = 12,630,459,809.21
  5. Step 5: Solve for x
    x = 12,630,459,809.21/130,012.92
  6. Step 6: Final answer
    x = 97,147.73

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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.