Home / 157,271.47-235,737.51-77,216.33

Finding the Fourth Proportional to 157,271.47, 235,737.51 and 77,216.33

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Solution

The fourth proportional to 157,271.47, 235,737.51 and 77,216.33 is: 115,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,271.47 : 235,737.51 = 77,216.33 : x
  2. Step 2: Convert to fraction form
    157,271.47/235,737.51 = 77,216.33/x
  3. Step 3: Cross multiply
    157,271.47x = 235,737.51 × 77,216.33
  4. Step 4: Simplify right side
    157,271.47x = 18,202,785,365.54
  5. Step 5: Solve for x
    x = 18,202,785,365.54/157,271.47
  6. Step 6: Final answer
    x = 115,741.18

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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.