Home / 210,327.16-290,247.54-119,681.08

Finding the Fourth Proportional to 210,327.16, 290,247.54 and 119,681.08

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Solution

The fourth proportional to 210,327.16, 290,247.54 and 119,681.08 is: 165,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,327.16 : 290,247.54 = 119,681.08 : x
  2. Step 2: Convert to fraction form
    210,327.16/290,247.54 = 119,681.08/x
  3. Step 3: Cross multiply
    210,327.16x = 290,247.54 × 119,681.08
  4. Step 4: Simplify right side
    210,327.16x = 34,737,139,054.54
  5. Step 5: Solve for x
    x = 34,737,139,054.54/210,327.16
  6. Step 6: Final answer
    x = 165,157.65

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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.