Home / 210,570.04-316,073.82-121,996.60

Finding the Fourth Proportional to 210,570.04, 316,073.82 and 121,996.60

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Solution

The fourth proportional to 210,570.04, 316,073.82 and 121,996.60 is: 183,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,570.04 : 316,073.82 = 121,996.60 : x
  2. Step 2: Convert to fraction form
    210,570.04/316,073.82 = 121,996.60/x
  3. Step 3: Cross multiply
    210,570.04x = 316,073.82 × 121,996.60
  4. Step 4: Simplify right side
    210,570.04x = 38,559,931,389.01
  5. Step 5: Solve for x
    x = 38,559,931,389.01/210,570.04
  6. Step 6: Final answer
    x = 183,121.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.