Home / 109,448.16-151,038.63-59,147.16

Finding the Fourth Proportional to 109,448.16, 151,038.63 and 59,147.16

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Solution

The fourth proportional to 109,448.16, 151,038.63 and 59,147.16 is: 81,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,448.16 : 151,038.63 = 59,147.16 : x
  2. Step 2: Convert to fraction form
    109,448.16/151,038.63 = 59,147.16/x
  3. Step 3: Cross multiply
    109,448.16x = 151,038.63 × 59,147.16
  4. Step 4: Simplify right side
    109,448.16x = 8,933,506,014.79
  5. Step 5: Solve for x
    x = 8,933,506,014.79/109,448.16
  6. Step 6: Final answer
    x = 81,623.17

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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.