Home / 210,270.24-290,147.40-119,637.72

Finding the Fourth Proportional to 210,270.24, 290,147.40 and 119,637.72

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Solution

The fourth proportional to 210,270.24, 290,147.40 and 119,637.72 is: 165,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,270.24 : 290,147.40 = 119,637.72 : x
  2. Step 2: Convert to fraction form
    210,270.24/290,147.40 = 119,637.72/x
  3. Step 3: Cross multiply
    210,270.24x = 290,147.40 × 119,637.72
  4. Step 4: Simplify right side
    210,270.24x = 34,712,573,399.93
  5. Step 5: Solve for x
    x = 34,712,573,399.93/210,270.24
  6. Step 6: Final answer
    x = 165,085.53

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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.