Home / 210,148.03-290,004.28-134,696.53

Finding the Fourth Proportional to 210,148.03, 290,004.28 and 134,696.53

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Solution

The fourth proportional to 210,148.03, 290,004.28 and 134,696.53 is: 185,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,148.03 : 290,004.28 = 134,696.53 : x
  2. Step 2: Convert to fraction form
    210,148.03/290,004.28 = 134,696.53/x
  3. Step 3: Cross multiply
    210,148.03x = 290,004.28 × 134,696.53
  4. Step 4: Simplify right side
    210,148.03x = 39,062,570,984.58
  5. Step 5: Solve for x
    x = 39,062,570,984.58/210,148.03
  6. Step 6: Final answer
    x = 185,881.21

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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.