Home / 103,970.22-143,478.37-56,223.45

Finding the Fourth Proportional to 103,970.22, 143,478.37 and 56,223.45

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Solution

The fourth proportional to 103,970.22, 143,478.37 and 56,223.45 is: 77,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970.22 : 143,478.37 = 56,223.45 : x
  2. Step 2: Convert to fraction form
    103,970.22/143,478.37 = 56,223.45/x
  3. Step 3: Cross multiply
    103,970.22x = 143,478.37 × 56,223.45
  4. Step 4: Simplify right side
    103,970.22x = 8,066,849,032.06
  5. Step 5: Solve for x
    x = 8,066,849,032.06/103,970.22
  6. Step 6: Final answer
    x = 77,588.08

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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.