Home / 147,003.95-220,227.73-86,852.57

Finding the Fourth Proportional to 147,003.95, 220,227.73 and 86,852.57

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Solution

The fourth proportional to 147,003.95, 220,227.73 and 86,852.57 is: 130,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,003.95 : 220,227.73 = 86,852.57 : x
  2. Step 2: Convert to fraction form
    147,003.95/220,227.73 = 86,852.57/x
  3. Step 3: Cross multiply
    147,003.95x = 220,227.73 × 86,852.57
  4. Step 4: Simplify right side
    147,003.95x = 19,127,343,017.50
  5. Step 5: Solve for x
    x = 19,127,343,017.50/147,003.95
  6. Step 6: Final answer
    x = 130,114.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.