Home / 207,779.02-286,722.69-120,557.39

Finding the Fourth Proportional to 207,779.02, 286,722.69 and 120,557.39

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Solution

The fourth proportional to 207,779.02, 286,722.69 and 120,557.39 is: 166,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,779.02 : 286,722.69 = 120,557.39 : x
  2. Step 2: Convert to fraction form
    207,779.02/286,722.69 = 120,557.39/x
  3. Step 3: Cross multiply
    207,779.02x = 286,722.69 × 120,557.39
  4. Step 4: Simplify right side
    207,779.02x = 34,566,539,565.43
  5. Step 5: Solve for x
    x = 34,566,539,565.43/207,779.02
  6. Step 6: Final answer
    x = 166,362.03

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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.