Home / 166,035.60-249,053.40-66,211.20

Finding the Fourth Proportional to 166,035.60, 249,053.40 and 66,211.20

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Solution

The fourth proportional to 166,035.60, 249,053.40 and 66,211.20 is: 99,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,035.60 : 249,053.40 = 66,211.20 : x
  2. Step 2: Convert to fraction form
    166,035.60/249,053.40 = 66,211.20/x
  3. Step 3: Cross multiply
    166,035.60x = 249,053.40 × 66,211.20
  4. Step 4: Simplify right side
    166,035.60x = 16,490,124,478.08
  5. Step 5: Solve for x
    x = 16,490,124,478.08/166,035.60
  6. Step 6: Final answer
    x = 99,316.80

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1.5x scale

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.