Home / 238,171.02-328,657.95-130,723.98

Finding the Fourth Proportional to 238,171.02, 328,657.95 and 130,723.98

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Solution

The fourth proportional to 238,171.02, 328,657.95 and 130,723.98 is: 180,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,171.02 : 328,657.95 = 130,723.98 : x
  2. Step 2: Convert to fraction form
    238,171.02/328,657.95 = 130,723.98/x
  3. Step 3: Cross multiply
    238,171.02x = 328,657.95 × 130,723.98
  4. Step 4: Simplify right side
    238,171.02x = 42,963,475,282.64
  5. Step 5: Solve for x
    x = 42,963,475,282.64/238,171.02
  6. Step 6: Final answer
    x = 180,389.18

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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.