Home / 180,487.74-249,056.46-99,911.37

Finding the Fourth Proportional to 180,487.74, 249,056.46 and 99,911.37

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Solution

The fourth proportional to 180,487.74, 249,056.46 and 99,911.37 is: 137,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,487.74 : 249,056.46 = 99,911.37 : x
  2. Step 2: Convert to fraction form
    180,487.74/249,056.46 = 99,911.37/x
  3. Step 3: Cross multiply
    180,487.74x = 249,056.46 × 99,911.37
  4. Step 4: Simplify right side
    180,487.74x = 24,883,572,125.95
  5. Step 5: Solve for x
    x = 24,883,572,125.95/180,487.74
  6. Step 6: Final answer
    x = 137,868.49

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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.