Home / 239,823.56-330,957.23-130,928.07

Finding the Fourth Proportional to 239,823.56, 330,957.23 and 130,928.07

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Solution

The fourth proportional to 239,823.56, 330,957.23 and 130,928.07 is: 180,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,823.56 : 330,957.23 = 130,928.07 : x
  2. Step 2: Convert to fraction form
    239,823.56/330,957.23 = 130,928.07/x
  3. Step 3: Cross multiply
    239,823.56x = 330,957.23 × 130,928.07
  4. Step 4: Simplify right side
    239,823.56x = 43,331,590,721.81
  5. Step 5: Solve for x
    x = 43,331,590,721.81/239,823.56
  6. Step 6: Final answer
    x = 180,681.13

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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.