Home / 187,393.28-258,602.64-102,510.32

Finding the Fourth Proportional to 187,393.28, 258,602.64 and 102,510.32

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Solution

The fourth proportional to 187,393.28, 258,602.64 and 102,510.32 is: 141,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,393.28 : 258,602.64 = 102,510.32 : x
  2. Step 2: Convert to fraction form
    187,393.28/258,602.64 = 102,510.32/x
  3. Step 3: Cross multiply
    187,393.28x = 258,602.64 × 102,510.32
  4. Step 4: Simplify right side
    187,393.28x = 26,509,439,379.24
  5. Step 5: Solve for x
    x = 26,509,439,379.24/187,393.28
  6. Step 6: Final answer
    x = 141,464.19

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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.