Home / 210,320.16-290,242.48-134,868.96

Finding the Fourth Proportional to 210,320.16, 290,242.48 and 134,868.96

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Solution

The fourth proportional to 210,320.16, 290,242.48 and 134,868.96 is: 186,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,320.16 : 290,242.48 = 134,868.96 : x
  2. Step 2: Convert to fraction form
    210,320.16/290,242.48 = 134,868.96/x
  3. Step 3: Cross multiply
    210,320.16x = 290,242.48 × 134,868.96
  4. Step 4: Simplify right side
    210,320.16x = 39,144,701,425.42
  5. Step 5: Solve for x
    x = 39,144,701,425.42/210,320.16
  6. Step 6: Final answer
    x = 186,119.59

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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.