Home / 161,888.04-223,406.32-90,271.08

Finding the Fourth Proportional to 161,888.04, 223,406.32 and 90,271.08

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Solution

The fourth proportional to 161,888.04, 223,406.32 and 90,271.08 is: 124,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,888.04 : 223,406.32 = 90,271.08 : x
  2. Step 2: Convert to fraction form
    161,888.04/223,406.32 = 90,271.08/x
  3. Step 3: Cross multiply
    161,888.04x = 223,406.32 × 90,271.08
  4. Step 4: Simplify right side
    161,888.04x = 20,167,129,785.23
  5. Step 5: Solve for x
    x = 20,167,129,785.23/161,888.04
  6. Step 6: Final answer
    x = 124,574.55

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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.