Home / 216,032.09-298,041.14-135,319.10

Finding the Fourth Proportional to 216,032.09, 298,041.14 and 135,319.10

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Solution

The fourth proportional to 216,032.09, 298,041.14 and 135,319.10 is: 186,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,032.09 : 298,041.14 = 135,319.10 : x
  2. Step 2: Convert to fraction form
    216,032.09/298,041.14 = 135,319.10/x
  3. Step 3: Cross multiply
    216,032.09x = 298,041.14 × 135,319.10
  4. Step 4: Simplify right side
    216,032.09x = 40,330,658,151.18
  5. Step 5: Solve for x
    x = 40,330,658,151.18/216,032.09
  6. Step 6: Final answer
    x = 186,688.27

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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.