Home / 187,038.42-257,970.15-119,066.46

Finding the Fourth Proportional to 187,038.42, 257,970.15 and 119,066.46

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Solution

The fourth proportional to 187,038.42, 257,970.15 and 119,066.46 is: 164,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,038.42 : 257,970.15 = 119,066.46 : x
  2. Step 2: Convert to fraction form
    187,038.42/257,970.15 = 119,066.46/x
  3. Step 3: Cross multiply
    187,038.42x = 257,970.15 × 119,066.46
  4. Step 4: Simplify right side
    187,038.42x = 30,715,592,546.17
  5. Step 5: Solve for x
    x = 30,715,592,546.17/187,038.42
  6. Step 6: Final answer
    x = 164,220.77

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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.