Home / 219,010.16-302,234.47-118,408.16

Finding the Fourth Proportional to 219,010.16, 302,234.47 and 118,408.16

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Solution

The fourth proportional to 219,010.16, 302,234.47 and 118,408.16 is: 163,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,010.16 : 302,234.47 = 118,408.16 : x
  2. Step 2: Convert to fraction form
    219,010.16/302,234.47 = 118,408.16/x
  3. Step 3: Cross multiply
    219,010.16x = 302,234.47 × 118,408.16
  4. Step 4: Simplify right side
    219,010.16x = 35,787,025,970.10
  5. Step 5: Solve for x
    x = 35,787,025,970.10/219,010.16
  6. Step 6: Final answer
    x = 163,403.50

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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.