Home / 180,500.81-249,094.64-99,926.06

Finding the Fourth Proportional to 180,500.81, 249,094.64 and 99,926.06

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Solution

The fourth proportional to 180,500.81, 249,094.64 and 99,926.06 is: 137,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,500.81 : 249,094.64 = 99,926.06 : x
  2. Step 2: Convert to fraction form
    180,500.81/249,094.64 = 99,926.06/x
  3. Step 3: Cross multiply
    180,500.81x = 249,094.64 × 99,926.06
  4. Step 4: Simplify right side
    180,500.81x = 24,891,044,946.66
  5. Step 5: Solve for x
    x = 24,891,044,946.66/180,500.81
  6. Step 6: Final answer
    x = 137,899.91

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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.