Home / 130,112.50-179,555.26-70,496.50

Finding the Fourth Proportional to 130,112.50, 179,555.26 and 70,496.50

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Solution

The fourth proportional to 130,112.50, 179,555.26 and 70,496.50 is: 97,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,112.50 : 179,555.26 = 70,496.50 : x
  2. Step 2: Convert to fraction form
    130,112.50/179,555.26 = 70,496.50/x
  3. Step 3: Cross multiply
    130,112.50x = 179,555.26 × 70,496.50
  4. Step 4: Simplify right side
    130,112.50x = 12,658,017,386.59
  5. Step 5: Solve for x
    x = 12,658,017,386.59/130,112.50
  6. Step 6: Final answer
    x = 97,285.18

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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.