Home / 130,358.95-179,895.36-70,742.95

Finding the Fourth Proportional to 130,358.95, 179,895.36 and 70,742.95

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Solution

The fourth proportional to 130,358.95, 179,895.36 and 70,742.95 is: 97,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,358.95 : 179,895.36 = 70,742.95 : x
  2. Step 2: Convert to fraction form
    130,358.95/179,895.36 = 70,742.95/x
  3. Step 3: Cross multiply
    130,358.95x = 179,895.36 × 70,742.95
  4. Step 4: Simplify right side
    130,358.95x = 12,726,328,688.28
  5. Step 5: Solve for x
    x = 12,726,328,688.28/130,358.95
  6. Step 6: Final answer
    x = 97,625.28

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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.