Home / 210,851.71-291,022.07-145,532.24

Finding the Fourth Proportional to 210,851.71, 291,022.07 and 145,532.24

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Solution

The fourth proportional to 210,851.71, 291,022.07 and 145,532.24 is: 200,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,851.71 : 291,022.07 = 145,532.24 : x
  2. Step 2: Convert to fraction form
    210,851.71/291,022.07 = 145,532.24/x
  3. Step 3: Cross multiply
    210,851.71x = 291,022.07 × 145,532.24
  4. Step 4: Simplify right side
    210,851.71x = 42,353,094,282.10
  5. Step 5: Solve for x
    x = 42,353,094,282.10/210,851.71
  6. Step 6: Final answer
    x = 200,866.74

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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.