Home / 219,484.14-302,881.74-122,688.16

Finding the Fourth Proportional to 219,484.14, 302,881.74 and 122,688.16

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Solution

The fourth proportional to 219,484.14, 302,881.74 and 122,688.16 is: 169,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,484.14 : 302,881.74 = 122,688.16 : x
  2. Step 2: Convert to fraction form
    219,484.14/302,881.74 = 122,688.16/x
  3. Step 3: Cross multiply
    219,484.14x = 302,881.74 × 122,688.16
  4. Step 4: Simplify right side
    219,484.14x = 37,160,003,378.20
  5. Step 5: Solve for x
    x = 37,160,003,378.20/219,484.14
  6. Step 6: Final answer
    x = 169,306.10

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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.