Home / 210,205.66-290,093.27-118,356.58

Finding the Fourth Proportional to 210,205.66, 290,093.27 and 118,356.58

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Solution

The fourth proportional to 210,205.66, 290,093.27 and 118,356.58 is: 163,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,205.66 : 290,093.27 = 118,356.58 : x
  2. Step 2: Convert to fraction form
    210,205.66/290,093.27 = 118,356.58/x
  3. Step 3: Cross multiply
    210,205.66x = 290,093.27 × 118,356.58
  4. Step 4: Simplify right side
    210,205.66x = 34,334,445,275.97
  5. Step 5: Solve for x
    x = 34,334,445,275.97/210,205.66
  6. Step 6: Final answer
    x = 163,337.40

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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.