Home / 180,485.13-249,071.45-99,914.00

Finding the Fourth Proportional to 180,485.13, 249,071.45 and 99,914.00

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Solution

The fourth proportional to 180,485.13, 249,071.45 and 99,914.00 is: 137,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,485.13 : 249,071.45 = 99,914.00 : x
  2. Step 2: Convert to fraction form
    180,485.13/249,071.45 = 99,914.00/x
  3. Step 3: Cross multiply
    180,485.13x = 249,071.45 × 99,914.00
  4. Step 4: Simplify right side
    180,485.13x = 24,885,724,419.07
  5. Step 5: Solve for x
    x = 24,885,724,419.07/180,485.13
  6. Step 6: Final answer
    x = 137,882.41

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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.