Home / 213,631.83-294,807.60-118,140.12

Finding the Fourth Proportional to 213,631.83, 294,807.60 and 118,140.12

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Solution

The fourth proportional to 213,631.83, 294,807.60 and 118,140.12 is: 163,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,631.83 : 294,807.60 = 118,140.12 : x
  2. Step 2: Convert to fraction form
    213,631.83/294,807.60 = 118,140.12/x
  3. Step 3: Cross multiply
    213,631.83x = 294,807.60 × 118,140.12
  4. Step 4: Simplify right side
    213,631.83x = 34,828,605,240.91
  5. Step 5: Solve for x
    x = 34,828,605,240.91/213,631.83
  6. Step 6: Final answer
    x = 163,030.97

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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.