Home / 219,345.75-302,697.18-118,743.75

Finding the Fourth Proportional to 219,345.75, 302,697.18 and 118,743.75

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Solution

The fourth proportional to 219,345.75, 302,697.18 and 118,743.75 is: 163,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,345.75 : 302,697.18 = 118,743.75 : x
  2. Step 2: Convert to fraction form
    219,345.75/302,697.18 = 118,743.75/x
  3. Step 3: Cross multiply
    219,345.75x = 302,697.18 × 118,743.75
  4. Step 4: Simplify right side
    219,345.75x = 35,943,398,267.63
  5. Step 5: Solve for x
    x = 35,943,398,267.63/219,345.75
  6. Step 6: Final answer
    x = 163,866.40

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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.