Home / 216,737.37-299,085.54-121,225.61

Finding the Fourth Proportional to 216,737.37, 299,085.54 and 121,225.61

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Solution

The fourth proportional to 216,737.37, 299,085.54 and 121,225.61 is: 167,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,737.37 : 299,085.54 = 121,225.61 : x
  2. Step 2: Convert to fraction form
    216,737.37/299,085.54 = 121,225.61/x
  3. Step 3: Cross multiply
    216,737.37x = 299,085.54 × 121,225.61
  4. Step 4: Simplify right side
    216,737.37x = 36,256,827,776.39
  5. Step 5: Solve for x
    x = 36,256,827,776.39/216,737.37
  6. Step 6: Final answer
    x = 167,284.62

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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.