Home / 180,637.89-249,280.23-100,070.63

Finding the Fourth Proportional to 180,637.89, 249,280.23 and 100,070.63

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Solution

The fourth proportional to 180,637.89, 249,280.23 and 100,070.63 is: 138,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,637.89 : 249,280.23 = 100,070.63 : x
  2. Step 2: Convert to fraction form
    180,637.89/249,280.23 = 100,070.63/x
  3. Step 3: Cross multiply
    180,637.89x = 249,280.23 × 100,070.63
  4. Step 4: Simplify right side
    180,637.89x = 24,945,629,662.64
  5. Step 5: Solve for x
    x = 24,945,629,662.64/180,637.89
  6. Step 6: Final answer
    x = 138,097.44

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1.5x scale

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.