Home / 157,278.46-235,980.06-57,445.16

Finding the Fourth Proportional to 157,278.46, 235,980.06 and 57,445.16

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Solution

The fourth proportional to 157,278.46, 235,980.06 and 57,445.16 is: 86,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278.46 : 235,980.06 = 57,445.16 : x
  2. Step 2: Convert to fraction form
    157,278.46/235,980.06 = 57,445.16/x
  3. Step 3: Cross multiply
    157,278.46x = 235,980.06 × 57,445.16
  4. Step 4: Simplify right side
    157,278.46x = 13,555,912,303.51
  5. Step 5: Solve for x
    x = 13,555,912,303.51/157,278.46
  6. Step 6: Final answer
    x = 86,190.52

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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.