Home / 139,988.18-209,983.06-34,807.16

Finding the Fourth Proportional to 139,988.18, 209,983.06 and 34,807.16

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Solution

The fourth proportional to 139,988.18, 209,983.06 and 34,807.16 is: 52,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,988.18 : 209,983.06 = 34,807.16 : x
  2. Step 2: Convert to fraction form
    139,988.18/209,983.06 = 34,807.16/x
  3. Step 3: Cross multiply
    139,988.18x = 209,983.06 × 34,807.16
  4. Step 4: Simplify right side
    139,988.18x = 7,308,913,966.71
  5. Step 5: Solve for x
    x = 7,308,913,966.71/139,988.18
  6. Step 6: Final answer
    x = 52,210.94

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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.