Home / 157,057.44-216,744.93-90,002.40

Finding the Fourth Proportional to 157,057.44, 216,744.93 and 90,002.40

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Solution

The fourth proportional to 157,057.44, 216,744.93 and 90,002.40 is: 124,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,057.44 : 216,744.93 = 90,002.40 : x
  2. Step 2: Convert to fraction form
    157,057.44/216,744.93 = 90,002.40/x
  3. Step 3: Cross multiply
    157,057.44x = 216,744.93 × 90,002.40
  4. Step 4: Simplify right side
    157,057.44x = 19,507,563,887.83
  5. Step 5: Solve for x
    x = 19,507,563,887.83/157,057.44
  6. Step 6: Final answer
    x = 124,206.56

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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.