Home / 105,280.36-145,312.71-59,985.07

Finding the Fourth Proportional to 105,280.36, 145,312.71 and 59,985.07

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Solution

The fourth proportional to 105,280.36, 145,312.71 and 59,985.07 is: 82,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,280.36 : 145,312.71 = 59,985.07 : x
  2. Step 2: Convert to fraction form
    105,280.36/145,312.71 = 59,985.07/x
  3. Step 3: Cross multiply
    105,280.36x = 145,312.71 × 59,985.07
  4. Step 4: Simplify right side
    105,280.36x = 8,716,593,081.24
  5. Step 5: Solve for x
    x = 8,716,593,081.24/105,280.36
  6. Step 6: Final answer
    x = 82,794.10

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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.