Home / 121,095.02-181,643.44-42,209.32

Finding the Fourth Proportional to 121,095.02, 181,643.44 and 42,209.32

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Solution

The fourth proportional to 121,095.02, 181,643.44 and 42,209.32 is: 63,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,095.02 : 181,643.44 = 42,209.32 : x
  2. Step 2: Convert to fraction form
    121,095.02/181,643.44 = 42,209.32/x
  3. Step 3: Cross multiply
    121,095.02x = 181,643.44 × 42,209.32
  4. Step 4: Simplify right side
    121,095.02x = 7,667,045,525.23
  5. Step 5: Solve for x
    x = 7,667,045,525.23/121,095.02
  6. Step 6: Final answer
    x = 63,314.30

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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.